EXTRA-TROPICAL  STORM  SURGE
N A T I O N A L    O C E A N I C    A N D    A T M O S P H E R I C    A D M I N I S T R A T I O N

  • This website is considered EXPERIMENTAL, is supported on an 8x5 basis, and has no guarantee of availability.
  • The data located HERE are considered OPERATIONAL and are supported on a 24x7 basis.
About
Manual
Disclaimer
Manual
Datum
hat-on
mhhw-on
msl-on
mllw-on
Regions
Northeast
Mid-Atlantic
Southeast
Gulf
Northwest
Alaska
Gulf of Alaska
Status
Stations
Cherry Point, WA
Friday Harbor WA
Port Townsend
Seattle, WA
Port Angeles, WA
Neah Bay, WA
Toke Point, WA
Astoria, OR
South Beach, OR
Charleston, OR
Port Orford, OR
Crescent City, CA
North Spit, CA
Arena Cove, CA
Point Reyes, CA
Port Chicago, CA
San Francisco CA
Surge List
West Coast
#Port Townsend, WA : 05/13/2025 11:22:26 GMT (units in feet HAT)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/11 12Z,   0.30,  -3.27,  -3.01,  99.90,  -0.04,
05/11 13Z,   0.40,  -4.71,  -4.30,  99.90,   0.01,
05/11 14Z,   0.40,  -6.61,  -6.18,  99.90,   0.03,
05/11 15Z,   0.40,  -8.55,  -8.14,  99.90,   0.01,
05/11 16Z,   0.40, -10.00,  -9.64,  99.90,  -0.04,
05/11 17Z,   0.40, -10.59, -10.07,  99.90,   0.12,  (min)
05/11 18Z,   0.40, -10.33,  -9.87,  99.90,   0.06,
05/11 19Z,   0.40,  -9.47,  -8.81,  99.90,   0.26,
05/11 20Z,   0.50,  -8.22,  -7.78,  99.90,  -0.06,
05/11 21Z,   0.50,  -6.71,  -6.28,  99.90,  -0.07,
05/11 22Z,   0.50,  -5.13,  -4.64,  99.90,  -0.01,
05/11 23Z,   0.50,  -3.72,  -3.42,  99.90,  -0.20,
05/12 00Z,   0.50,  -2.72,  -2.35,  99.90,  -0.13,
05/12 01Z,   0.60,  -2.25,  -2.13,  99.90,  -0.48,
05/12 02Z,   0.70,  -2.36,  -2.11,  99.90,  -0.45,  (max)
05/12 03Z,   0.60,  -2.92,  -2.63,  99.90,  -0.31,
05/12 04Z,   0.60,  -3.58,  -3.46,  99.90,  -0.48,
05/12 05Z,   0.60,  -3.97,  -3.92,  99.90,  -0.55,  (min)
05/12 06Z,   0.60,  -3.94,  -3.86,  99.90,  -0.52,
05/12 07Z,   0.60,  -3.63,  -3.57,  99.90,  -0.54,
05/12 08Z,   0.60,  -3.20,  -3.04,  99.90,  -0.44,
05/12 09Z,   0.60,  -2.73,  -2.52,  99.90,  -0.39,
05/12 10Z,   0.60,  -2.37,  -2.19,  99.90,  -0.42,
05/12 11Z,   0.60,  -2.38,  -2.07,  99.90,  -0.29,  (max)
05/12 12Z,   0.40,  -2.99,  -2.56,  99.90,   0.03,
05/12 13Z,   0.50,  -4.26,  -3.60,  99.90,   0.16,
05/12 14Z,   0.50,  -6.06,  -5.36,  99.90,   0.20,
05/12 15Z,   0.50,  -8.10,  -7.44,  99.90,   0.16,
05/12 16Z,   0.40,  -9.91,  -9.32,  99.90,   0.19,
05/12 17Z,   0.50, -10.99, -10.27,  99.90,   0.22,
05/12 18Z,   0.50, -11.09, -10.41,  99.90,   0.18,  (min)
05/12 19Z,   0.50, -10.38,  -9.75,  99.90,   0.13,
05/12 20Z,   0.40,  -9.17,  -8.67,  99.90,   0.10,
05/12 21Z,   0.50,  -7.65,  -7.33,  99.90,  -0.18,
05/12 22Z,   0.50,  -5.95,  -5.59,  99.90,  -0.14,
05/12 23Z,   0.40,  -4.30,  -3.99,  99.90,  -0.09,
05/13 00Z,   0.60,  -2.95,  -2.65,  99.90,  -0.30,
05/13 01Z,   0.70,  -2.10,  -1.91,  99.90,  -0.51,
05/13 02Z,   0.70,  -1.82,  -1.81,  99.90,  -0.69,  (max)
05/13 03Z,   0.60,  -2.08,  -1.82,  99.90,  -0.34,
05/13 04Z,   0.60,  -2.68,  -2.56,  99.90,  -0.48,
05/13 05Z,   0.60,  -3.26,  -3.26,  99.90,  -0.60,
05/13 06Z,   0.70,  -3.52,  -3.53,  99.90,  -0.71,  (min)
05/13 07Z,   0.60,  -3.42,  -3.39,  99.90,  -0.57,
05/13 08Z,   0.60,  -3.14,  -2.99,  99.90,  -0.45,
05/13 09Z,   0.60,  -2.81,  -2.61,  99.90,  -0.40,
05/13 10Z,   0.50,  -2.52,  -2.29,  99.90,  -0.27,
05/13 11Z,   0.60,  -2.40,  -2.16,  99.90,  -0.36,  (max)
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/13 12Z,   0.60,  -2.75,  99.90,  -2.49,  -0.34,
05/13 13Z,   0.50,  -3.75,  99.90,  -3.58,  -0.33,
05/13 14Z,   0.50,  -5.37,  99.90,  -5.19,  -0.32,
05/13 15Z,   0.50,  -7.38,  99.90,  -7.19,  -0.31,
05/13 16Z,   0.50,  -9.39,  99.90,  -9.19,  -0.30,
05/13 17Z,   0.50, -10.92,  99.90, -10.71,  -0.29,
05/13 18Z,   0.40, -11.55,  99.90, -11.42,  -0.28,  (min)
05/13 19Z,   0.40, -11.19,  99.90, -11.05,  -0.27,
05/13 20Z,   0.40, -10.11,  99.90,  -9.96,  -0.26,
05/13 21Z,   0.50,  -8.63,  99.90,  -8.38,  -0.24,
05/13 22Z,   0.50,  -6.94,  99.90,  -6.68,  -0.23,
05/13 23Z,   0.40,  -5.17,  99.90,  -4.99,  -0.22,
05/14 00Z,   0.40,  -3.54,  99.90,  -3.36,  -0.22,
05/14 01Z,   0.50,  -2.33,  99.90,  -2.05,  -0.22,
05/14 02Z,   0.50,  -1.68,  99.90,  -1.40,  -0.22,  (max)
05/14 03Z,   0.40,  -1.60,  99.90,  -1.42,  -0.22,
05/14 04Z,   0.40,  -1.98,  99.90,  -1.80,  -0.22,
05/14 05Z,   0.50,  -2.57,  99.90,  -2.29,  -0.22,
05/14 06Z,   0.50,  -3.04,  99.90,  -2.77,  -0.22,
05/14 07Z,   0.50,  -3.19,  99.90,  -2.91,  -0.22,  (min)
05/14 08Z,   0.50,  -3.07,  99.90,  -2.79,  -0.22,
05/14 09Z,   0.50,  -2.86,  99.90,  -2.58,  -0.22,
05/14 10Z,   0.40,  -2.66,  99.90,  -2.48,  -0.22,
05/14 11Z,   0.40,  -2.53,  99.90,  -2.36,  -0.22,  (max)
05/14 12Z,   0.40,  -2.65,  99.90,  -2.48,  -0.22,
05/14 13Z,   0.40,  -3.30,  99.90,  -3.12,  -0.22,
05/14 14Z,   0.40,  -4.61,  99.90,  -4.43,  -0.22,
05/14 15Z,   0.40,  -6.45,  99.90,  -6.28,  -0.22,
05/14 16Z,   0.40,  -8.51,  99.90,  -8.34,  -0.22,
05/14 17Z,   0.40, -10.36,  99.90, -10.18,  -0.22,
05/14 18Z,   0.40, -11.52,  99.90, -11.35,  -0.22,
05/14 19Z,   0.40, -11.71,  99.90, -11.53,  -0.22,  (min)
05/14 20Z,   0.40, -10.97,  99.90, -10.79,  -0.22,
05/14 21Z,   0.30,  -9.65,  99.90,  -9.57,  -0.22,
05/14 22Z,   0.40,  -8.03,  99.90,  -7.85,  -0.22,
05/14 23Z,   0.40,  -6.26,  99.90,  -6.08,  -0.22,
05/15 00Z,   0.30,  -4.48,  99.90,  -4.40,  -0.22,
05/15 01Z,   0.30,  -2.95,  99.90,  -2.87,  -0.22,
05/15 02Z,   0.40,  -1.92,  99.90,  -1.74,  -0.22,
05/15 03Z,   0.40,  -1.48,  99.90,  -1.30,  -0.22,  (max)
05/15 04Z,   0.40,  -1.56,  99.90,  -1.38,  -0.22,
05/15 05Z,   0.40,  -2.00,  99.90,  -1.82,  -0.22,
05/15 06Z,   0.40,  -2.54,  99.90,  -2.36,  -0.22,
05/15 07Z,   0.40,  -2.91,  99.90,  -2.73,  -0.22,
05/15 08Z,   0.40,  -2.99,  99.90,  -2.81,  -0.22,  (min)
05/15 09Z,   0.40,  -2.88,  99.90,  -2.71,  -0.22,
05/15 10Z,   0.30,  -2.77,  99.90,  -2.69,  -0.22,
05/15 11Z,   0.30,  -2.70,  99.90,  -2.62,  -0.22,
05/15 12Z,   0.40,  -2.72,  99.90,  -2.54,  -0.22,  (max)
05/15 13Z,   0.30,  -3.04,  99.90,  -2.97,  -0.22,
05/15 14Z,   0.30,  -3.93,  99.90,  -3.86,  -0.22,
05/15 15Z,   0.40,  -5.46,  99.90,  -5.28,  -0.22,
05/15 16Z,   0.40,  -7.40,  99.90,  -7.22,  -0.22,
05/15 17Z,   0.30,  -9.38,  99.90,  -9.30,  -0.22,
05/15 18Z,   0.40, -10.97,  99.90, -10.79,  -0.22,
05/15 19Z,   0.40, -11.76,  99.90, -11.58,  -0.22,  (min)
05/15 20Z,   0.30, -11.58,  99.90, -11.50,  -0.22,
05/15 21Z,   0.30, -10.59,  99.90, -10.51,  -0.22,
05/15 22Z,   0.40,  -9.14,  99.90,  -8.96,  -0.22,
05/15 23Z,   0.40,  -7.47,  99.90,  -7.29,  -0.22,
05/16 00Z,   0.40,  -5.69,  99.90,  -5.51,  -0.22,
05/16 01Z,   0.40,  -3.96,  99.90,  -3.78,  -0.22,
05/16 02Z,   0.40,  -2.56,  99.90,  -2.38,  -0.22,
05/16 03Z,   0.50,  -1.72,  99.90,  -1.44,  -0.22,
05/16 04Z,   0.40,  -1.45,  99.90,  -1.27,  -0.22,  (max)
05/16 05Z,   0.40,  -1.64,  99.90,  -1.46,  -0.22,
05/16 06Z,   0.40,  -2.09,  99.90,  -1.91,  -0.22,
05/16 07Z,   0.40,  -2.56,  99.90,  -2.39,  -0.22,
05/16 08Z,   0.40,  -2.85,  99.90,  -2.68,  -0.22,
05/16 09Z,   0.40,  -2.91,  99.90,  -2.73,  -0.22,  (min)
05/16 10Z,   0.40,  -2.86,  99.90,  -2.68,  -0.22,
05/16 11Z,   0.40,  -2.84,  99.90,  -2.67,  -0.22,  (max)
05/16 12Z,   0.40,  -2.88,  99.90,  -2.70,  -0.22,
05/16 13Z,   0.50,  -3.02,  99.90,  -2.75,  -0.22,
05/16 14Z,   0.40,  -3.51,  99.90,  -3.33,  -0.22,
05/16 15Z,   0.40,  -4.57,  99.90,  -4.40,  -0.22,
05/16 16Z,   0.40,  -6.21,  99.90,  -6.03,  -0.22,
05/16 17Z,   0.40,  -8.13,  99.90,  -7.95,  -0.22,
05/16 18Z,   0.40,  -9.94,  99.90,  -9.76,  -0.22,
05/16 19Z,   0.40, -11.24,  99.90, -11.06,  -0.22,
05/16 20Z,   0.40, -11.72,  99.90, -11.54,  -0.22,  (min)
05/16 21Z,   0.40, -11.28,  99.90, -11.10,  -0.22,
05/16 22Z,   0.50, -10.16,  99.90,  -9.88,  -0.22,
05/16 23Z,   0.50,  -8.66,  99.90,  -8.38,  -0.22,
05/17 00Z,   0.40,  -7.00,  99.90,  -6.82,  -0.22,